20536803

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 34108256

約数和(自身を除く): 13571453

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 1801, 3801, 5403, 11403, 12607, 16209, 37821, 113463, 325981, 977943, 2281867, 2933829, 6845601, 20536803]

約数ペア:

[(1, 20536803), (3, 6845601), (7, 2933829), (9, 2281867), (21, 977943), (63, 325981), (181, 113463), (543, 37821), (1267, 16209), (1629, 12607), (1801, 11403), (3801, 5403)]